Maintenance • Troubleshooting 11
Troubleshooting
Symptom Possible Cause(s) Corrective Action(s)
Motorwillnotrun
Disconnect switch is off Be sure switch is on.
Fuse is blown or circuit breaker
tripped.
Replace fuse or reset circuit breaker.
Starting switch is defective. DISCONNECTPOWER;Replacestartingswitch.
Wires at motor are loose,
disconnected, or wired incorrectly.
Refertoinstructionsonwiring.DISCONNECTPOWER;checkandtightenallwiring.
Risk of electrical shock. Capacitor voltage may be hazardous. To
dischargecapacitor,holdinsulatedhandlescrewdriverBYTHEHANDLEandshort
capacitor terminals together. Do not touch metal screwdriver blade or capacitor
terminals.Ifindoubt,consultaqualifiedelectrician.
Motorrunshotandoverloadkicks
off.
Motoriswiredincorrectly. Refer to instructions on wiring.
Voltageistoolow
Checkwithpowercompany.Installheavierwiringifwiresizeistoosmall(See
Electrical/WiringChart).
Motorrunsbutnowaterisdelivered
in new installation:*
1.Improperpriming 1. Re-prime according to instructions.
2. Air leaks 2. Check all connections on suction line, with soapy water or shaving cream.
3.Leakingfootvalveorcheck
valve
3. Replace foot valve or check valve.
Pump has lost prime in installation
already in use:
1. Air leaks 1. Check all connections on suction line and shaft seal.
2. Water level below suction pipe
inlet
2.Lowersuctionlineintowaterandre-prime.Ifrecedingwaterlevelinwellexceeds
20’(6.1M),adeepwellpumpisneeded.
Foot valve or strainer is plugged Clean foot valvye or strainer.
Impellerisplugged Clean impeller.
Check valve or foot valve is stuck
shut
Replace check valve or foot valve.
Pipes are frozen Thaw pipes. Bury pipes below frost line. Heat pit or pump house.
Foot valve and/or strainer are
buried in sand or mud.
Raise foot valve and/or strainer above bottom of water source. Clean foot valve and
strainer.
Water level is too low for shallow
well setup to deliver water.
Pumpwillnotliftwatermorethan20’(6.1M).
Pump does not deliver water to full
capacity.
Water level in well is lower than
estimated.
Adeepwelljetwillbeneededifdepthtowaterinyourwellismorethan20’
(6.1m).
Steel piping (if used) is corroded
or limed, causing excess friction.
Replace with plastic pipe where possible, otherwise with new steel pipe.
Piping is too small in size Uselargerpiping.
Packed well point Backflush well point or sink new point.
*Stoppump;thencheckprime
before looking for other causes.
Unscrewprimingplugandseeif
water is in priming hole.
Recirculation Valve
Do not disturb!
Figure 27
Figure 26
8. Reinstall the sleeve on the bracket and the pump
suction body in the sleeve. Be sure that you do not
pinch or damage the O-Ring. See Figure27.
9. Installfourcapscrews(Ref.No.18)throughthe
pump head and into the bracket. Tighten the
capscrews to 22ft.-lbs. torque.
10. Reinstallthedrainplugandwasher(Ref.Nos.17
and 16) in the suction body.
NOTICE: Do not disturb the recirculation valve.
11. Reinstall the suction and discharge piping and open
all valves. Check for leaks.
12. Prime the pump according to the instructions on
Page 8.